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Computers Mrs. Doss.

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Presentation on theme: "Computers Mrs. Doss."— Presentation transcript:

1 Computers Mrs. Doss

2 Communications Devices
Hardware component that enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers or mobile devices. Widely used communications device is a MODEM Communications occur over TRANSMISSION MEDIA such as cables, telephone lines, cellular radio networks, and satellites. Some media, such as satellites and cellular radio networks are wireless.

3 Computer Software Software, also called a program, consists of related instructions, organized for a common purpose, that tells the computer what tasks to perform and how to perform them. Graphical User Interface (GUI)- pronounced gooey, you interact with the software using text, graphics, and visual images such as icons. Installing is the process of adding software to a computer, and uninstalling is the process of removing programs and all associated files from the hard disk.

4 System Software Consists of programs that control the operations of the computer and its devices. There are two types of system software: Operation System- a set of programs that coordinates all the activities among computer hardware devices. Utility program- allows a user to perform maintenance-type tasks usually related to managing a computer, its devices, or its programs. For example, you can use a utility program to burn digital photos on an optical disc.

5 Application Software Consists of programs designed to make users more productive and/or assist them with personal tasks. These include personal information management, note taking, project management, accounting, document management, computer-aided design, desktop publishing, paint/image editing, audio and video editing, multimedia authoring.

6 Word Processing Software
Used to create, edit, format, and print documents. A key advantage of word processing software is that users easily can make changes in documents, such as correcting spelling; changing margins; and adding, deleting, or relocating words, sentences, or entire paragraphs. Example: Microsoft Word

7 Presentation Software
An application software that allows users to create visual aids for presentations to communicate ideas, messages, and other information to a group. Example: Microsoft PowerPoint

8 Spreadsheet Software Allows users to organize data in rows and columns and perform calculation on the data. These rows and columns collectively are called a worksheet. Most spreadsheet software has basic features to help uses create, edit, and format worksheets. Examples: Microsoft Excel

9 E-Mail The transmission of messages and files via a computer network.
Example: Mac OS X Mail and Outlook

10 Networks and the Internet
Network- collection of computers and devices connected together, often wirelessly, via communication devices and transmission media. When a computer connects to a network, it is online. Sharing resources saves time and money For example, instead of purchasing one printer for every computer in an company, the firm can connect a single printer and all computers via a network; the network enables all of the computers to access the same printer.

11 Network continued… There are three types of networks:
LAN- local area network- connects computers and devices in a limited geographical area such as a home, school computer lab, or office building. WLAN- wireless local area network- uses no physical wires. WAN- wide are network- covers large geographic area (such as a city, county, or the world) using a communications channel that combines many types of media such as telephone lines, cables, and radio waves. The Internet is the world’s largest WAN!

12 Internet continued… Access provider- a business that provides individuals and organizations access to the Internet free or for a fee. They are categorized as ISPs or Internet service providers.

13 Internet The Internet is a worldwide collection of networks that links millions of business, government agencies, educational institutions, and individuals. Why do you use the Internet????

14 Bibliography Page All Information was taken from
Microsoft Office 2011 For Mac Introductory by Shelly/Jones Cengage Learning ISBN: 13: THIS POWERPOINT IS USED FOR EDUCATIONAL PURPOSES ONLY.

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